The engine U1177 Code has multiple meanings but you need to know the real meaning of the code what must helpful. However, you have to analysis the symptoms of the car engine problem to know the real cause of the car engine problem. If you can detect the real meaning of the engine problem, you must take necessary step for solving the car engine problem. Do not drive the car with the car engine problem. You must fix the car with the help of professional. If you are unable to solve the car engine issue, hand over the car to expert engineer.